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Cell Membranes & Cell Transport
Cell Membranes & Cell Transport
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Covers the basics about cell membranes and cell transport. Made for grade 10 Biology.
Flashcards
24 cards
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Practice quiz
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Host live
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Questions
24
Answers
1
Another name for the cell membrane is
the endocytic barrier
the cell wall
the nuclear membrane
the plasma membrane
2
What kind of solution is the red blood cell in the middle in?
hypotonic
isotonic
hypertonic
hydroponic
3
The stuff that is dissolved is the _________.
suspension
solvent
solution
solute
4
The stuff that does the dissolving is the __________.
solvent
solute
suspension
solution
5
Equilibrium is reached
at the end of active transport.
when movement of particles stops.
when particles are evenly distributed through the space.
only during passive transport.
6
What molecules are imbedded in the bilayer?
proteins
nucleic acids
ribosomes
glucose
7
What kind of solution is the red blood cell on the right in?
hypertonic
hypotonic
isotonic
hydroponic
8
The primary function of the cell membrane is
cell signaling.
to control what moves in and out of the cell.
to provide support for the cell.
to protect the cell
9
__________ is the diffusion of water through a semipermeable membrane.
active transport
exocytosis
osmosis
facilitated diffusion
10
What is structure "D"?
a glucose molecule
a phospholipid
a protein
cholesterol
11
What is concentration?
the amount of mass something has
amount of things in a given area
the weight of a substance
the density of a substance
12
Movement of particles from an area of high concentration to an area of lower concentration is:
equilibrium
diffusion
endocytosis
osmosis
13
Which of these is selectively permeable?
a cell membrane
a strainer
all of these are selectively permeable
a window screen
14
What kind of transport doesn't require the use of energy to move materials across the membrane?
diffusion
osmosis
all of these don't require the cell to use energy
facilitated diffusion
15
"A" is
a nonpolar fatty acid
cholesterol
a polar phosphate
a protein
16
Passive transport
requires energy.
doesn't require energy.
moves particles against a concentration gradient.
moves particles from a high to a low concentration.
17
Requires energy; materials enter pockets in cell membrane, then forms vacuole in cytoplasm = ?
endocytosis
phagocytosis
pinocytosis
exocytosis
18
Requires energy; vacuole fuses with membrane, contents forced out of cell = ?
endocytosis
pinocytosis
phagocytosis
exocytosis
19
Water leaves, cell shrinks; higher solute concentration outside cell than inside = ? solution
hypotonic
hypertonic
hydroponic
isotonic
20
Water enters, cell swells; lower solute concentration outside the cell than inside = __solution
hypotonic
hypertonic
isotonic
hydroponic
21
Active transport
moves materials against a concentration gradient
is usually done by transport proteins in the cell membrane
requires energy
all of the answers are correct
22
A cell is in a ____solution when: size doesn't change; water goes in and out at the same rate
hydroponic
hypotonic
isotonic
hypertonic
23
The basic structure of the cell membrane is
a phospholipid bilayer.
a liquid bilayer.
made of proteins.
impermeable.
24
What kind of solution is the red blood cell on the left in?
isotonic
hydroponic
hypotonic
hypertonic
